WATER-BASED WATER TREATMENT METHOD - KURITA WATER IND LTD

Title:

WATER-BASED WATER TREATMENT METHOD

Document Type and Number:

WIPO Patent Application WO/2001/059442

Kind Code:

A1

Abstract:

A cooling water-based water treatment method capable of measuring a contamination deposition trend monitoring result online with a small space and by a low-cost device, and performing a slime control reinforcing treatment based on the measured result, wherein a water treatment is conducted according to a potential change of a microbial contamination deposition monitoring sensor (11) provided with sensitized metal materials. When a potential of the sensor reaches a threshold value, both chemical pouring pumps (15, 17) are used for chemical pouring; and when the potential lowers to a normal value, only the pump (15) is used for chemical pouring.

Inventors:

ISERI HAJIME (JP)
YONEDA YUTAKA (JP)
TAKAHASHI KUNIYUKI (JP)

Application Number:

PCT/JP2000/008476

Publication Date:

August 16, 2001

Filing Date:

November 30, 2000

Export Citation:

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Assignee:

KURITA WATER IND LTD (JP)
ISERI HAJIME (JP)
YONEDA YUTAKA (JP)
TAKAHASHI KUNIYUKI (JP)

International Classes:

C02F1/00; G01N17/00; G01N27/416; G01N33/18; C02F1/50; (IPC1-7): G01N27/416; C02F1/00; C02F1/50; G01N33/18

Foreign References:

JPH1128474A	1999-02-02
JP2000009674A	2000-01-14
JP2000028516A	2000-01-28
JPH11118703A	1999-04-30

Other References: